Optocouplers are small in size, long in service life, wide in operating temperature range, strong in anti-interference performance, contactless, and completely electrically isolated from input and out...
I used to be an application developer, but now I have an urgent task to communicate with a USB (HID) device. I have no idea what to do, so I just searched the Internet for a lot of information. Now I ...
I input 1K and 40M signals with a signal generator, and the Vpp is 1V, but the EL2070 output has harmonics of about 300M. Please tell me how to eliminate this harmonic! Thank you! The circuit connecti...
[i=s]This post was last edited by w562601331 on 2017-7-24 08:31[/i] [size=14px][font=微软雅黑][size=4](1) Title of the work:[/size][/font][/size] IoT Monitoring Rescue Vehicle Three months have passed unk...
When debugging, I found that I could see the source code of some functions, but I couldn't trace some of them. Is it a library? If so, if I use a microcontroller from another manufacturer, I can no lo...
Using IAR EWARM 5.20 to develop STM32F103ZC (Cortex-M3 core) In the connection configuration file (.icf), I want to get the size of the readonly and readwrite blocks respectively, and then use the rem...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Analog electronics
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